Alert archive / Illinois / Cook County
Weather alerts in Cook County, Illinois, 2016
95 weather alerts in 2016, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Cook County and its neighbors
Each county as a circle sized by its count in 2016. Tap one for its archive.
- Alerts
- 95
- Warnings
- 31
- Watches
- 6
- Advisories
- 28
- Busiest month
- July50 alerts
- Busiest day
- July 24, 201613 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Feb 2, 4:05 PM CST | Areal Flood Advisory | LOT | 3 hr |
| Feb 2, 7:51 PM CST | River Flood Advisory | LOT | 26 hr |
| Feb 2, 7:51 PM CST | River Flood Advisory | LOT | 48 hr |
| Feb 15, 9:24 AM CST | River Flood Warning | LOT | 34 hr |
| Mar 15, 8:07 PM CDT | Mesoscale Discussion | SPC | 53 min |
| Mar 15, 8:40 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Mar 31, 10:46 AM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 25, 1:40 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 25, 2:17 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Apr 25, 5:34 PM CDT | Severe Thunderstorm Warning | LOT | 41 min |
| Apr 25, 6:04 PM CDT | Mesoscale Discussion | SPC | 86 min |
| Apr 25, 6:22 PM CDT | Severe Thunderstorm Warning | LOT | 23 min |
| Apr 25, 7:12 PM CDT | Severe Thunderstorm Warning | LOT | 33 min |
| Apr 25, 9:16 PM CDT | Severe Thunderstorm Warning | LOT | 29 min |
| Apr 25, 9:54 PM CDT | Special Weather Statement | LOT | 21 min |
| May 1, 7:39 PM CDT | Special Weather Statement | LOT | 51 min |
| May 12, 2:12 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| May 12, 7:14 AM CDT | River Flood Advisory | LOT | 31 hr |
| May 25, 5:06 PM CDT | Severe Thunderstorm Warning | LOT | 39 min |
| May 25, 6:29 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| May 31, 3:06 PM CDT | Special Weather Statement | LOT | 39 min |
| May 31, 3:34 PM CDT | Special Weather Statement | LOT | 41 min |
| Jun 10, 1:00 AM CDT | Areal Flood Advisory | LOT | 5 hr |
| Jun 15, 2:22 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jun 22, 3:38 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jun 22, 6:11 PM CDT | Tornado Watch | SPC | 7 hr |
| Jun 22, 8:11 PM CDT | Severe Thunderstorm Warning | LOT | 49 min |
| Jun 22, 8:45 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jun 22, 8:47 PM CDT | Severe Thunderstorm Warning | LOT | 45 min |
| Jun 22, 8:53 PM CDT | Mesoscale Discussion | SPC | 97 min |
| Jul 6, 1:27 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 6, 1:50 AM CDT | Severe Thunderstorm Warning | LOT | 70 min |
| Jul 6, 1:55 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 6, 2:47 AM CDT | Severe Thunderstorm Warning | LOT | 58 min |
| Jul 6, 3:38 AM CDT | Severe Thunderstorm Warning | LOT | 54 min |
| Jul 7, 6:04 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 7, 6:11 PM CDT | Areal Flood Advisory | LOT | 2 hr |
| Jul 7, 6:37 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 13, 6:13 PM CDT | Severe Thunderstorm Warning | LOT | 62 min |
| Jul 13, 6:47 PM CDT | Severe Thunderstorm Warning | LOT | 43 min |
| Jul 13, 7:04 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 13, 7:14 PM CDT | Severe Thunderstorm Warning | LOT | 31 min |
| Jul 13, 7:26 PM CDT | Special Weather Statement | LOT | 34 min |
| Jul 13, 7:30 PM CDT | Severe Thunderstorm Warning | LOT | 30 min |
| Jul 17, 7:00 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 17, 10:09 PM CDT | Severe Thunderstorm Warning | LOT | 51 min |
| Jul 17, 11:25 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Jul 21, 6:18 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 21, 7:42 PM CDT | Severe Thunderstorm Warning | LOT | 63 min |
| Jul 21, 8:17 PM CDT | Mesoscale Discussion | SPC | 58 min |
| Jul 21, 8:37 PM CDT | Special Weather Statement | LOT | 53 min |
| Jul 21, 8:43 PM CDT | Severe Thunderstorm Warning | LOT | 14 min |
| Jul 21, 9:08 PM CDT | Special Weather Statement | LOT | 67 min |
| Jul 21, 9:17 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 23, 3:23 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 23, 6:13 PM CDT | Severe Thunderstorm Warning | LOT | 47 min |
| Jul 23, 6:50 PM CDT | Areal Flood Advisory | LOT | 10 hr |
| Jul 23, 7:00 PM CDT | Special Weather Statement | LOT | 45 min |
| Jul 23, 8:35 PM CDT | Mesoscale Discussion | SPC | 85 min |
| Jul 23, 10:00 PM CDT | Special Weather Statement | LOT | 45 min |
| Jul 24, 12:33 AM CDT | River Flood Advisory | LOT | 39 hr |
| Jul 24, 2:25 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 24, 5:12 PM CDT | Severe Thunderstorm Warning | LOT | 33 min |
| Jul 24, 5:42 PM CDT | Mesoscale Discussion | SPC | 93 min |
| Jul 24, 5:46 PM CDT | Special Weather Statement | LOT | 44 min |
| Jul 24, 5:48 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 24, 6:20 PM CDT | Severe Thunderstorm Warning | LOT | 40 min |
| Jul 24, 6:28 PM CDT | Flash Flood Warning | LOT | 4 hr |
| Jul 24, 6:35 PM CDT | Severe Thunderstorm Warning | LOT | 25 min |
| Jul 24, 6:59 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| Jul 24, 7:39 PM CDT | Areal Flood Advisory | LOT | 4 hr |
| Jul 24, 7:44 PM CDT | Severe Thunderstorm Warning | LOT | 46 min |
| Jul 28, 12:55 PM CDT | Areal Flood Advisory | LOT | 2 hr |
| Jul 28, 1:03 PM CDT | Areal Flood Advisory | LOT | 117 min |
| Jul 28, 4:00 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 29, 1:01 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Jul 29, 1:40 PM CDT | Areal Flood Advisory | LOT | 5 hr |
| Jul 29, 2:20 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 29, 4:44 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Jul 29, 8:05 PM CDT | Areal Flood Warning | LOT | 18 hr |
| Aug 12, 11:13 AM CDT | Special Weather Statement | LOT | 62 min |
| Aug 12, 5:51 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Aug 12, 6:43 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Aug 18, 6:13 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Aug 20, 8:29 AM CDT | Areal Flood Advisory | LOT | 3 hr |
| Aug 27, 7:30 AM CDT | Areal Flood Advisory | LOT | 4 hr |
| Aug 29, 3:00 PM CDT | Flash Flood Warning | LOT | 6 hr |
| Sep 7, 12:50 PM CDT | Special Weather Statement | LOT | 25 min |
| Sep 7, 3:36 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 27, 12:03 PM CDT | Red Flag Warning | LOT | 7 hr |
| Sep 28, 6:01 PM CDT | Special Weather Statement | LOT | 44 min |
| Nov 2, 6:50 PM CDT | Areal Flood Advisory | LOT | 3 hr |
| Nov 18, 11:15 AM CST | Special Weather Statement | LOT | 15 min |
| Dec 10, 6:59 PM CST | Mesoscale Discussion | SPC | 6 hr |
| Dec 11, 5:42 PM CST | Mesoscale Discussion | SPC | 4 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20152017
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.